I changed out my brake pads and now my brake pedal goes to the floor.
Oct 17, 2015 at 9:21 AM
2005 Chevrolet Silverado Brakes
2005 CHEVROLET SILVERADO
PORTER0214
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- 1 POST
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CARADIODOC
- ✓ASE Certified Mechanic
- 34,322 POSTS
Front or rear brakes? Do the rear have the parking brake built into the calipers? This guide can help you fix it.
https://youtu.be/w7gUsj2us0U
and
https://youtu.be/WDxvEQrMkBg
and
https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor
Please run down this guide and report back.
Once you had the pistons reset into the calipers to make room for the new, thicker pads, you had to pump the brake pedal to run them back out until the pads contacted the rotors. At any time did you push the pedal more than half way to the floor? If you did, it's very likely the master cylinder was damaged. Crud and corrosion build up in the lower halves of the bores where the pistons don't normally travel. Pushing the brake pedal to the floor runs the rubber lip seals over that crud and can rip them. That will result in a low pedal or a slowly-sinking pedal. Those often don't show up for two or three days.
https://youtu.be/w7gUsj2us0U
and
https://youtu.be/WDxvEQrMkBg
and
https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor
Please run down this guide and report back.
Once you had the pistons reset into the calipers to make room for the new, thicker pads, you had to pump the brake pedal to run them back out until the pads contacted the rotors. At any time did you push the pedal more than half way to the floor? If you did, it's very likely the master cylinder was damaged. Crud and corrosion build up in the lower halves of the bores where the pistons don't normally travel. Pushing the brake pedal to the floor runs the rubber lip seals over that crud and can rip them. That will result in a low pedal or a slowly-sinking pedal. Those often don't show up for two or three days.
Feb 22, 2021 at 9:21 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.